public Paddle(Sprite sprite, Vector2D position)
: base(sprite, position,
BodyFactory.CreateCapsule(Entities.world2D, sprite.Size.Height,
sprite.Size.Width / 2, 1.0f, position))
{
body.Position = position;
Entities.Register(this);
}
public Box(Vector2D position, Size size)
: base(position, size,
BodyFactory.CreateRectangle(Entities.world2D, size.Width, size.Height, 1.0f, position,
BodyType.Dynamic))
{
Entities.Register(this);
body.IsStatic = false;
body.Restitution = 1;
body.Friction = 0.01f;
}
public Circle(Vector2D position, float radius)
: base(position, new Size(radius * 2, radius * 2),
BodyFactory.CreateCircle(Entities.world2D, radius, 1.0f, position, BodyType.Dynamic))
{
this.radius = radius;
Entities.Register(this);
body.IsStatic = false;
body.Restitution = 1;
body.Friction = 0.01f;
}
public void Draw(Vector2D position)
{
GL.Enable(EnableCap.Texture2D);
GL.BindTexture(TextureTarget.Texture2D, texture.Handle);
var halfWidth = Size.Width / 2;
var halfHeight = Size.Height / 2;
vertices = new[]
{
position.x - halfWidth, position.y + halfHeight, 0,
position.x - halfWidth, position.y - halfHeight, 0,
position.x + halfWidth, position.y - halfHeight, 0,
position.x + halfWidth, position.y + halfHeight, 0
};
GL.EnableClientState(ArrayCap.TextureCoordArray);
GL.TexCoordPointer(2, TexCoordPointerType.Float, 0, uvs);
GL.EnableClientState(ArrayCap.VertexArray);
GL.VertexPointer(3, VertexPointerType.Float, 0, vertices);
GL.DrawElements(PrimitiveType.Triangles, indices.Length, DrawElementsType.UnsignedShort,
indices);
}
protected PhysicsObject(Vector2D position, Size size, Body body)
{
this.size = size;
this.body = body;
}
public bool Equals(Vector2D other)
{
return x > other.x - Epsilon && x < other.x + Epsilon && y > other.y - Epsilon &&
y < other.y + Epsilon;
}
private float DotProduct(Vector2D other)
{
return x * other.x + y * other.y;
}
public Vector2D MirrorAtNormal(Vector2D normal)
{
normal = normal.Normalize();
return this - (normal * 2 * DotProduct(normal));
}
protected override void OnMouseClick(MouseEventArgs e)
{
MouseClickedHappenend = true;
MouseClickPosition = new Vector2D(e.X, e.Y);
base.OnMouseClick(e);
}
protected PhysicsSprite(Sprite sprite, Vector2D position, Body body)
: base(position, sprite.Size, body)
{
this.sprite = sprite;
}